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DOUGLAS A DUNLAP, DO, INC
NPI 1265505655
Internal Medicine in Warren, OH

Active since November 16, 2006
667 EASTLAND AVE SE, WARREN, OH 44484(330) 841-4000 Get Directions Write a Review

NPPES record last updated: May 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2025, May 16, 2024 (2 updates tracked since 2024).

About Douglas A Dunlap, Do, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DOUGLAS A DUNLAP, DO, INC (NPI 1265505655) is a healthcare organization registered as an internal medicine in Warren, Ohio and active in the NPI registry since November 2006. The organization lists Robin P Dunlap, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1265505655
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDOUGLAS A DUNLAP, DO, INC
Location Address667 EASTLAND AVE SEWarren, OH 44484-4503
Mailing Address1900 Hidden Lakes Dr NeWarren, OH 44484-4154 · (330) 856-8109
Phone(330) 841-4000
Organization SubpartNo
Authorized OfficialRobin P DunlapOffice Manager · (330) 856-8109
Enumeration DateNovember 16, 2006
Last NPPES UpdateMay 23, 20252 updates tracked since enumeration
NPPES CertifiedMay 23, 2025
✔ NPI 1265505655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 34-00-3463-D
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
667 EASTLAND AVE SE, Warren, OH 44484
Open in Google Maps ↗

Other Identifiers 3

Medicaid0652137OH
Other1265505655Corporate Npi
Other34-00-3463-DOH · State Medical License

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Douglas A Dunlap, Do, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Douglas A Dunlap, Do, Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Douglas Dunlap, D.O.
Internal Medicine
NPI 1215921358
667 EASTLAND AVE SE
Warren, OH 44484
(330) 841-4000
✔ PECOS✔ Accepts MedicareSame address
Ismail Husain, DO
Internal Medicine
NPI 1497115059
349 NILES CORTLAND RD NE
Warren, OH 44484
(330) 372-0260
✔ PECOS✔ Accepts Medicare2.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Douglas A Dunlap, Do, Inc's NPI number?

The NPI number for Douglas A Dunlap, Do, Inc is 1265505655. It was assigned to this organization in the NPPES registry on November 16, 2006.

Where is Douglas A Dunlap, Do, Inc located?

Douglas A Dunlap, Do, Inc is located at 667 Eastland Ave SE, Warren, OH 44484. The listed phone number is (330) 841-4000.

What is Douglas A Dunlap, Do, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Douglas A Dunlap, Do, Inc enrolled in Medicare?

Yes. Douglas A Dunlap, Do, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Douglas A Dunlap, Do, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Douglas A Dunlap, Do, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Douglas A Dunlap, Do, Inc accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Douglas A Dunlap, Do, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Douglas A Dunlap, Do, Inc was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.